Discovery

• At 8, ABC has a new Ugly Betty.
• NBC has a new Chuck at 8, then a new Celebrity Apprentice and another new episode of Chuck.
• FOX has a new, two hour Are You Smarter Than A Fifth Grader at 8.
• At 8:30, HGTV has a new Carter Can.
• At 9, ESPN has the Winter X Games.
• TLC has a new American Chopper at 9.
• Also at 9: MSNBC has a Republican Debate from Florida.
• At 10, ABC has a new Big Shots.
• VH-1 has a new Celebrity Rehab at 10.
• At 10:30, Food Network has a new Ace of Cakes.

Check your local TV listings for more.